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TELESTO 1325 nm OCT System

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Telesto 1325 nm OCT System




  • Cross-Sectional and Volumertic Imaging

Thorlabs' Variable-Rate TELESTO™ OCT Imaging System

Features

  • 1325 nm Center Wavelength Provides Deep Image Penetration in Highly Scattering Samples
  • Three Acquisition Modes for Flexibility in Imaging Speed and Sensitivity
  • Ideal for High-Speed and Biological/Biomedical Imaging Applications
  • High Axial Resolution: Less than 7.5 µm

Thorlabs' TELESTO™ OCT Imaging System is the newest member of our SD-OCT imaging family. This system provides the flexibility required for high-speed, deep penetration, and high resolution imaging applications. It utilizes Thorlabs' unique superluminescent diode design, which provides over 150 nm of bandwidth, resulting in an axial resolution of less than 7.5 µm in air. In the software, users can select between three imaging modes to image up to 91,000 A-Scans per second with 91 dB sensitivity, down to 5,500 A-Scans per second with 106 dB sensitivity. Increasing the sensitivity, at the cost of imaging speed, enables detection of more subtle structures in a sample. High-speed imaging at 91 kHz enables rapid volume acquisition and display. 

The TELESTO is controlled via software preinstalled on a high-performance computer that is capable of displaying greater than 6 volumes per second. The system also includes a 3D scanning, common path probe with integrated video camera for volume imaging and live video display. The included stand and sample stage provides XY translation and rotation of the sample along with axial travel of the probe. The TELESTO is fully functional right out of the box.

Optical Coherence Tomography (OCT) is a noninvasive optical imaging modality that provides real-time, 1D depth, 2D cross-sectional, and 3D volumetric images with micron-level resolution and millimeters of imaging depth. OCT images provide structural information of a sample, based on light backscattered from different layers of material within that sample. OCT imaging is considered to be the optical analog to ultrasound. OCT, however, achieves higher resolution through the use of near infrared wavelengths, at the cost of decreased penetration depth.  In addition to high resolution, the non-contact, noninvasive advantage of OCT makes it well suited for imaging samples such as biological tissue, small animals, and industrial materials.

TELESTO System Specifications
Center Wavelength 1325 nm
Imaging Speed
(A-Scan Line Rate)
High-Speed Mode: 91 kHz
Video-Rate Mode: 28 kHz
High-Sensitivity Mode: 5.5 kHz
Axial (Depth) Resolution (Air) <7.5 µm
Lateral Resolution 15 µm
Maximum Field of View 10 mm x 10 mm x 2.5 mm
Maximum Pixels Per A-Scan 512

 

 

TELESTO Processor

The TELESTO OCT System includes a desktop PC and a 22" monitor which has 1680 x 1050 resolution. This processing system is set up with all the necessary data acquisition hardware, drive electronics, and software to begin imaging upon arrival.

Computer Specifications*

  • Processor: Quad Core
  • Processor Speed: ≥ 3.3 GHz
  • Memory: ≥ 8 GB
  • Hard Drive: ≥ 500 GB
  • Data Acquisition: CameraLink

 

TELESTO SD-OCT Engine

The TELESTO SD-OCT engine is housed in a 420 mm x 320 mm x 149 mm (16.54" x 12.6" x 5.86") unit. It contains Thorlabs' Matched Pair Broadband 1325 nm Superluminescent Diode Light Source and Linear InGaAs Array-Based Spectrometer. It also includes all associated drive electronics and controllers.

 

 

Hand-Held Probe and Stand

All Thorlabs OCT systems include a hand-held probe and stand, as shown here. The probe provides X-Y scanning for three-dimensional data acquisition. A camera that is integrated in the probe provides live video imaging during OCT data acquisition. The probe easily slips onto the stand for imaging of small samples.
The probe stand consists of a post-mounted focus block which is attached to a specially designed 12" x 14" aluminum breadboard using a Ø1.5" P14 Post.

Stand Features

  • Ideal for Vibration-Sensitive Studies such as Doppler OCT Imaging
  • 3/4" Thick Aluminum Breadboard Provides Increased Stability
  • Breadboard Base has Side Grips and Recessed Feet for Easy Lifting and Transportation of the Stand
  • Includes a Sample Stage with 1" X and Y Travel as well as Rotation

 

ABOUT US

Our Mission is to accelerate the advancement of optical technology for precision measurements and their applications from the table tops of research laboratories to standard use in communication and high technology industries. Our aim is to serve our customers. Our hope is to create a place for highly skilled people in an open environment

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